Greengauge 21 is a non-for-profit registered company that aims to investigate and develop the concepts associated with a UK high-speed rail network.
[1] Previous research into High Speed Rail (HSR) has tended to focus on the international spatial level.
Greengauge is one of a number of groups now using a multilevel (regional, national and international) analysis to satisfactorily understand HSR's territorial implications.
[3] In February 2010, Greengauge 21 contracted KPMG, one of the big four auditing firms, to conduct a study into the economic benefits of a high-speed rail network.
[4][5] Greengauge 21 research has found that the price of travel on a future domestic High Speed network will be comparable with fares on conventional trains.